<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
<title>Documento sin t&iacute;tulo</title>
<script>
function CargaTotal(valor)
{
	document.getElementById('txtSumatoria').value = valor;
}
</script>
</head>

<body>
<?php
	$suma = 0;
	for($i=1;$i<=$txtCant;$i++)
	{
		if((isset($_POST['txtCantidad'.$i])) and (!empty($_POST['txtCantidad'.$i]))and (!empty($_POST['txtUnitario'.$i]))and (!empty($_POST['txtTotal'.$i])))
        {
			$total = str_replace ( ".", "",$_POST['txtTotal'.$i]);
			$suma = $suma+$total;
		}
	}
	echo "<script>CargaTotal($suma);</script>"
?>
</body>
</html>
